import { Node } from 'prosemirror-model';
import { CustomElementDefinition } from '../../../interface';
/**
 * Recursively checks if a ProseMirror node or
 * any of its child nodes is a registered custom element node.
 * @param node - the ProseMirror node to check
 * @param customElements - the registered custom element definitions
 */
export declare function hasCustomElementNode(node: Node, customElements: CustomElementDefinition[]): boolean;
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